This reverts commit c98bdf7e.

This reverts commit 0ed1f7f3.

This reverts commit 605c83ad.

This reverts commit 9c339f62.

This reverts commit 5c5f0628.

This reverts commit bf616510.

This reverts commit b2b809cd.

Merge branch 'master' of https://gitlab.tudelft.nl/python-for-applied-physics/practicum-lecture-notes

Deleted accidentally left over answers for exercises. Some other changes.

Also put dat files in right place, and added good coding practices files